Home / 188,439,772.80-282,449,707.20-73,386,076.80

Finding the Fourth Proportional to 188,439,772.80, 282,449,707.20 and 73,386,076.80

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Solution

The fourth proportional to 188,439,772.80, 282,449,707.20 and 73,386,076.80 is: 109,997,351.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,439,772.80 : 282,449,707.20 = 73,386,076.80 : x
  2. Step 2: Convert to fraction form
    188,439,772.80/282,449,707.20 = 73,386,076.80/x
  3. Step 3: Cross multiply
    188,439,772.80x = 282,449,707.20 × 73,386,076.80
  4. Step 4: Simplify right side
    188,439,772.80x = 20,727,875,904,716,712
  5. Step 5: Solve for x
    x = 20,727,875,904,716,712/188,439,772.80
  6. Step 6: Final answer
    x = 109,997,351.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.